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PHP Tips: PHP Filters Dangerous HTML Code_PHP Tutorial

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Release： 2016-07-21 14:57:23
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Use PHP to filter code in HTML that may be exploited to introduce external dangerous content. Sometimes, it is necessary to allow users to submit HTML content in order to enrich the information posted by users. Of course, some codes that may cause confusion in the display page layout are also within the filtering scope.


#HTML posted by users, filtering dangerous codes

The following is the quoted content:
以下为引用的内容：
function uh($str)
{
$farr = array(
"/s+/", //过滤多余的空白
"/<(/?)(script|i?frame|style|html|body|title|link|meta|?|%)([^>]*?)>/isU", //过滤
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